255194640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1483}}^1$

素因数の和:1741

約数の個数: 120

約数和(自身を含む): 861194880

約数和(自身を除く): 606000240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 239, 240, 360, 478, 717, 720, 956, 1195, 1434, 1483, 1912, 2151, 2390, 2868, 2966, 3585, 3824, 4302, 4449, 4780, 5736, 5932, 7170, 7415, 8604, 8898, 9560, 10755, 11472, 11864, 13347, 14340, 14830, 17208, 17796, 19120, 21510, 22245, 23728, 26694, 28680, 29660, 34416, 35592, 43020, 44490, 53388, 57360, 59320, 66735, 71184, 86040, 88980, 106776, 118640, 133470, 172080, 177960, 213552, 266940, 354437, 355920, 533880, 708874, 1063311, 1067760, 1417748, 1772185, 2126622, 2835496, 3189933, 3544370, 4253244, 5316555, 5670992, 6379866, 7088740, 8506488, 10633110, 12759732, 14177480, 15949665, 17012976, 21266220, 25519464, 28354960, 31899330, 42532440, 51038928, 63798660, 85064880, 127597320, 255194640]

約数ペア:

[(1, 255194640), (2, 127597320), (3, 85064880), (4, 63798660), (5, 51038928), (6, 42532440), (8, 31899330), (9, 28354960), (10, 25519464), (12, 21266220), (15, 17012976), (16, 15949665), (18, 14177480), (20, 12759732), (24, 10633110), (30, 8506488), (36, 7088740), (40, 6379866), (45, 5670992), (48, 5316555), (60, 4253244), (72, 3544370), (80, 3189933), (90, 2835496), (120, 2126622), (144, 1772185), (180, 1417748), (239, 1067760), (240, 1063311), (360, 708874), (478, 533880), (717, 355920), (720, 354437), (956, 266940), (1195, 213552), (1434, 177960), (1483, 172080), (1912, 133470), (2151, 118640), (2390, 106776), (2868, 88980), (2966, 86040), (3585, 71184), (3824, 66735), (4302, 59320), (4449, 57360), (4780, 53388), (5736, 44490), (5932, 43020), (7170, 35592), (7415, 34416), (8604, 29660), (8898, 28680), (9560, 26694), (10755, 23728), (11472, 22245), (11864, 21510), (13347, 19120), (14340, 17796), (14830, 17208)]